/**
 * 1.程序阅读题,看看输出什么?Homework01.java
 * public class Homework01 {
 * public static void main(String[] args) {
 * int n1;
 * n1 = 13;
 * int n2;
 * n2 = 17;
 * int n3;
 * n3 = n1 + n2;
 * System.out.println("n3 = " + n3);
 * int n4 = 38;
 * int n5 = n4-n3;
 * System.out.println("n5="+n5);
 */
// n3 = 30, n5 = 8;